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2c239766a5
header so that we can freely form PointerIntPairs and PointerUnions without worrying about header circularity. Swift SVN r21694
46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
//===--- ASTNode.h - Swift Language ASTs ------------------------*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the ASTNode, which is a union of Stmt, Expr, and Decl.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_AST_AST_NODE_H
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#define SWIFT_AST_AST_NODE_H
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#include "llvm/ADT/PointerUnion.h"
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#include "swift/AST/TypeAlignments.h"
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namespace swift {
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class Expr;
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class Stmt;
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class Decl;
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class SourceLoc;
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class SourceRange;
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struct ASTNode : public llvm::PointerUnion3<Expr*, Stmt*, Decl*> {
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// Inherit the constructors from PointerUnion.
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using PointerUnion3::PointerUnion3;
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SourceRange getSourceRange() const;
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/// \brief Return the location of the start of the statement.
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SourceLoc getStartLoc() const;
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/// \brief Return the location of the end of the statement.
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SourceLoc getEndLoc() const;
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};
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} // namespace swift
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#endif // LLVM_SWIFT_AST_AST_NODE_H
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